
Record setting heat is expected over the next several days from the Intermountain West through the northern Plains. Furthermore, fire weather concerns increase with dry and breezy conditions. Meanwhile, heavy rainfall and severe thunderstorm threats for the Ohio/Tennessee Valleys, central Appalachians and Southeast today. The threat shifts to central Gulf Coast and across central Texas this week. Read More >
National Weather Service Hanford, CA
Meteorological Calculator
Thanks to Ron Murphy, NWS Birmingham, AL for writing the JavaScript.
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Temperature Conversion |
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| Enter a number then click on the the conversion button. | ||||
| Fahrenheit (o F) |
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| Celsius (o C) |
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Wind Speed Calculations |
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| Enter a speed into any blank to convert to all other wind speeds. | ||||||
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mph knots m/sec km/hr |
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Wind Chill Calculation |
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| Enter the temperature in degrees Fahrenheit and wind speed in mph, then click on the Calculate WC to compute the windchill index. | ||||||
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Wind (mph) |
Index |
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Relative Humidity Calculation |
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| Enter the air temperature and the dew point in degrees Fahrenheit, then click on the Calculate RH to compute the relative humidity. | ||||||
| Temp (o F) |
Dew Point |
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Heat Index Calculations |
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| Enter the temperature in degrees Fahrenheit and relative humidity (RH) in percent (without the % sign), or the Dew Point (Tdp). Then click on the Calculate HI to compute the heat index (HI). | ||||||||
| Temp (o F) | RH | HI |
Tdp |
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| Temp (o F) | Tdp | HI | RH | |||||